The output then starts with:
|=============================================
| Extended CSD rev 1.7 (MMC 5.0)
|=============================================
|
|Card Supported Command sets [S_CMD_SET: 0x01]
|HPI Features [HPI_FEATURE: 0x01]: implementation based on CMD13
|Background operations support [BKOPS_SUPPORT: 0x01]
|Extended Security Commands Error [EXT_SECURITY_ERR: 0x00]
|Device life time estimation type B [DEVICE_LIFE_TIME_EST_TYP_B: 01]
| i.e. 0% - 10% device life time used
|Device life time estimation type A [DEVICE_LIFE_TIME_EST_TYP_A: 01]
| i.e. 0% - 10% device life time used
|Pre EOL information [PRE_EOL_INFO: 01]
| i.e. normal
|Device version [DEVICE_VERSION: 38 05]
|Firmware version [FIRMWARE_VERSION: 00 00 00 00 00 00 00 03
| i.e.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
mmc_cmds.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 69 insertions(+)
diff --git a/mmc_cmds.c b/mmc_cmds.c
index 8addd35046d7..195506b7b7ab 100644
--- a/mmc_cmds.c
+++ b/mmc_cmds.c
@@ -698,6 +698,28 @@ int do_write_reliability_set(int nargs, char **argv)
return 0;
}
+static const char *ext_csd_get_lifetime(unsigned int val)
+{
+ static char lifetime[80];
+ switch (val) {
+ case 1 ... 0xa:
+ snprintf(lifetime, sizeof(lifetime),
+ "%u%% - %u%% device life time used",
+ (val - 1) * 10,
+ (val - 0) * 10);
+ break;
+ case 0xb:
+ strncpy(lifetime, "Exceeded its maximum estimated "
+ "device life time", sizeof(lifetime));
+ break;
+ case 0:
+ default:
+ strncpy(lifetime, "Not defined", sizeof(lifetime));
+ break;
+ }
+ return lifetime;
+}
+
int do_read_extcsd(int nargs, char **argv)
{
__u8 ext_csd[512], ext_csd_rev, reg;
@@ -778,6 +800,53 @@ int do_read_extcsd(int nargs, char **argv)
printf("Background operations support [BKOPS_SUPPORT: 0x%02x]\n",
ext_csd[502]);
+ if (ext_csd_rev >= 7) {
+ const char *str;
+
+ printf("Extended Security Commands Error "
+ "[EXT_SECURITY_ERR: 0x%02x]\n", ext_csd[505]);
+
+ printf("Device life time estimation type B "
+ "[DEVICE_LIFE_TIME_EST_TYP_B: %02x]\n", ext_csd[269]);
+ printf(" i.e. %s\n", ext_csd_get_lifetime(ext_csd[269]));
+ printf("Device life time estimation type A "
+ "[DEVICE_LIFE_TIME_EST_TYP_A: %02x]\n", ext_csd[268]);
+ printf(" i.e. %s\n", ext_csd_get_lifetime(ext_csd[268]));
+
+ printf("Pre EOL information [PRE_EOL_INFO: %02x]\n",
+ ext_csd[267]);
+ switch (ext_csd[267]) {
+ case 1: str = "normal";
+ break;
+ case 2: str = "warning, consumed 80% of reserved block";
+ break;
+ case 3: str = "urgend";
+ break;
+ case 0:
+ default:
+ str = "Not defined";
+ break;
+ }
+ printf(" i.e. %s\n", str);
+ /* optimal read, write, trim size */
+
+ printf("Device version [DEVICE_VERSION: %02x %02x]\n",
+ ext_csd[263], ext_csd[262]);
+ printf("Firmware version [FIRMWARE_VERSION: "
+ "%02x %02x %02x %02x %02x %02x %02x %02x \n",
+ ext_csd[261], ext_csd[260], ext_csd[259], ext_csd[258],
+ ext_csd[257], ext_csd[256], ext_csd[255], ext_csd[254]);
+ printf(" i.e. %c%c%c%c%c%c%c%c\n",
+ isprint(ext_csd[261]) ? ext_csd[261] : ' ',
+ isprint(ext_csd[260]) ? ext_csd[260] : ' ',
+ isprint(ext_csd[259]) ? ext_csd[259] : ' ',
+ isprint(ext_csd[258]) ? ext_csd[258] : ' ',
+ isprint(ext_csd[257]) ? ext_csd[257] : ' ',
+ isprint(ext_csd[256]) ? ext_csd[256] : ' ',
+ isprint(ext_csd[255]) ? ext_csd[255] : ' ',
+ isprint(ext_csd[254]) ? ext_csd[254] : ' ');
+ }
+
if (ext_csd_rev >= 6) {
printf("Max Packet Read Cmd [MAX_PACKED_READS: 0x%02x]\n",
ext_csd[501]);
--
2.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
